gfx/thebes/gfxFontSrcPrincipal.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef MOZILLA_GFX_FONTSRCPRINCIPAL_H
   7 #define MOZILLA_GFX_FONTSRCPRINCIPAL_H
   8
   9 #include "nsCOMPtr.h"
  10 #include "PLDHashTable.h"
  11
  12 class nsIPrincipal;
  13
  14 namespace mozilla {
  15 namespace net {
  16 class nsSimpleURI;
  17 }  // namespace net
  18 }  // namespace mozilla
  19
  20 /**
  21  * A wrapper for an nsIPrincipal that can be used OMT, which has cached
  22  * information useful for the gfxUserFontSet.
  23  *
  24  * TODO(emilio): This has grown a bit more complex, but nsIPrincipal is now
  25  * thread-safe, re-evaluate the existence of this class.
  26  */
  27 class gfxFontSrcPrincipal {
  28  public:
  29   explicit gfxFontSrcPrincipal(nsIPrincipal* aNodePrincipal,
  30                                nsIPrincipal* aStoragePrincipal);
  31
  32   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(gfxFontSrcPrincipal)
  33
  34   nsIPrincipal* NodePrincipal() const { return mNodePrincipal; }
  35
  36   nsIPrincipal* StoragePrincipal() const { return mStoragePrincipal; }
  37
  38   bool Equals(gfxFontSrcPrincipal* aOther);
  39
  40   PLDHashNumber Hash() const { return mHash; }
  41
  42  private:
  43   ~gfxFontSrcPrincipal();
  44
  45   // The principal of the node.
  46   nsCOMPtr<nsIPrincipal> mNodePrincipal;
  47
  48   // The principal used for storage.
  49   nsCOMPtr<nsIPrincipal> mStoragePrincipal;
  50
  51   // Precomputed hash for mStoragePrincipal.
  52   PLDHashNumber mHash;
  53 };
  54
  55 #endif  // MOZILLA_GFX_FONTSRCPRINCIPAL_H